cl_v_eadd.hpp

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/* This file is part of spla project                                              */
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/* Copyright (c) 2023 SparseLinearAlgebra                                         */
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#ifndef SPLA_CL_VECTOR_HPP
#define SPLA_CL_VECTOR_HPP
 
#include <schedule/schedule_tasks.hpp>
 
#include <core/dispatcher.hpp>
#include <core/registry.hpp>
#include <core/top.hpp>
#include <core/tscalar.hpp>
#include <core/ttype.hpp>
#include <core/tvector.hpp>
 
#include <opencl/cl_counter.hpp>
#include <opencl/cl_fill.hpp>
#include <opencl/cl_formats.hpp>
#include <opencl/generated/auto_vector_eadd.hpp>
 
#include <sstream>
 
namespace spla {
 
    template<typename T>
    class Algo_v_eadd_cl final : public RegistryAlgo {
    public:
        ~Algo_v_eadd_cl() override = default;
 
        std::string get_name() override {
            return "v_eadd";
        }
 
        std::string get_description() override {
            return "parallel vector element-wise add on opencl device";
        }
 
        Status execute(const DispatchContext& ctx) override {
            auto                t = ctx.task.template cast_safe<ScheduleTask_v_eadd>();
            ref_ptr<TVector<T>> u = t->u.template cast_safe<TVector<T>>();
            ref_ptr<TVector<T>> v = t->v.template cast_safe<TVector<T>>();
 
            if (u->is_valid(FormatVector::AccDense) && v->is_valid(FormatVector::AccDense)) {
                return execute_dn2dn(ctx);
            }
 
            return execute_dn2dn(ctx);
        }
 
    private:
        Status execute_dn2dn(const DispatchContext& ctx) {
            TIME_PROFILE_SCOPE("cl/vector_eadd_dn2dn");
 
            auto                        t  = ctx.task.template cast_safe<ScheduleTask_v_eadd>();
            ref_ptr<TVector<T>>         r  = t->r.template cast_safe<TVector<T>>();
            ref_ptr<TVector<T>>         u  = t->u.template cast_safe<TVector<T>>();
            ref_ptr<TVector<T>>         v  = t->v.template cast_safe<TVector<T>>();
            ref_ptr<TOpBinary<T, T, T>> op = t->op.template cast_safe<TOpBinary<T, T, T>>();
 
            std::shared_ptr<CLProgram> program;
            if (!ensure_kernel(op, program)) return Status::CompilationError;
 
            r->validate_wd(FormatVector::AccDense);
            u->validate_rw(FormatVector::AccDense);
            v->validate_rw(FormatVector::AccDense);
 
            auto*       p_cl_r   = r->template get<CLDenseVec<T>>();
            const auto* p_cl_u   = u->template get<CLDenseVec<T>>();
            const auto* p_cl_v   = v->template get<CLDenseVec<T>>();
            auto*       p_cl_acc = get_acc_cl();
            auto&       queue    = p_cl_acc->get_queue_default();
 
            const uint n = r->get_n_rows();
 
            auto kernel = program->make_kernel("dense_to_dense");
            kernel.setArg(0, p_cl_r->Ax);
            kernel.setArg(1, p_cl_u->Ax);
            kernel.setArg(2, p_cl_v->Ax);
            kernel.setArg(3, n);
 
            cl::NDRange global(p_cl_acc->get_default_wgs() * div_up_clamp(n, p_cl_acc->get_default_wgs(), 1u, 1024u));
            cl::NDRange local(p_cl_acc->get_default_wgs());
            queue.enqueueNDRangeKernel(kernel, cl::NullRange, global, local);
 
            return Status::Ok;
        }
 
        bool ensure_kernel(const ref_ptr<TOpBinary<T, T, T>>& op, std::shared_ptr<CLProgram>& program) {
            CLProgramBuilder program_builder;
            program_builder
                    .set_name("vector_eadd")
                    .add_type("TYPE", get_ttype<T>().template as<Type>())
                    .add_op("OP_BINARY", op.template as<OpBinary>())
                    .set_source(source_vector_eadd)
                    .acquire();
 
            program = program_builder.get_program();
 
            return true;
        }
    };
 
}// namespace spla
 
#endif//SPLA_CL_VECTOR_HPP